• Multi-Axis thumb barrel rotation ensures unlimited adjustment for perfect fit in your hand

• Surrounded by patented Aero Wraps

• Covers subjects such as: arrow straightening

• Download License is for WINDOWS operating system only

BCY 454 String Material Multi Color 1/4# String Material Color:Flo Green/Black • Multi-Axis thumb barrel rotationWith the emergence of SK99 Dyneema and its popularity with archers in materials such as X 99 and Mercury string builders asked for a Dyneema Vectran blend using this ultra high quality material All the characteristics of 452X with same strand diameter Good arrow speed More strand count flexibility and better looking two color strings No creep; completely stable